Exercise 075: ExUnit Basics

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Exercise 075: ExUnit Basics

Topic: Mix & Testing
Level: 18
Difficulty: 2

Prerequisites

• Exercise 074: Mix Project Structure
• Writing functions

Learning Objectives

Students will learn to:

• Write basic ExUnit tests
• Use assert macro
• Run tests with mix test

Key Concepts

• ExUnit test framework
• test macro for test cases
• assert for assertions

Exercise Structure

• Explain ExUnit test structure
• Show test example with assert
• Task: Write simple test for a function
• Expected output: Passing test

Hints

Tests go in test/ directory and end with _test.exs

References

• Elixir docs: https://hexdocs.pm/ex_unit/ExUnit.html